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Rev. 1.00, 05/04, page 486 of 544
Register Name Abbreviation
Number
of Bits
Address Module
Data
Bus
Width
Number
of
Access
States
Port 8 data direction register P8DDR 8 H'FFBD
(write)
PORT 8 2
Port 7 input data register P7PIN 8 H'FFBE
(read)
PORT 8 2
Port B data direction register PBDDR 8 H'FFBE
(write)
PORT 8 2
Port 8 data register P8DR 8 H'FFBF PORT 8 2
Port 9 data direction register P9DDR 8 H'FFC0 PORT 8 2
Port 9 data register P9DR 8 H'FFC1 PORT 8 2
Interrupt enable register IER 8 H'FFC2 INT 8 2
Serial timer control register STCR 8 H'FFC3 SYSTEM 8 2
System control register SYSCR 8 H'FFC4 SYSTEM 8 2
Mode control register MDCR 8 H'FFC5 SYSTEM 8 2
Bus control register BCR 8 H'FFC6 BSC 8 2
Wait state control register WSCR 8 H'FFC7 BSC 8 2
Timer control register_0 TCR_0 8 H'FFC8 TMR_0 8 2
Timer control register_1 TCR_1 8 H'FFC9 TMR_1 8 2
Timer control/status register_0 TCSR_0 8 H'FFCA TMR_0 8 2
Timer control/status register_1 TCSR_1 8 H'FFCB TMR_1 16 2
Time constant register A_0 TCORA_0 8 H'FFCC TMR_0 16 2
Time constant register A_1 TCORA_1 8 H'FFCD TMR_1 16 2
Time constant register B_0 TCORB_0 8 H'FFCE TMR_0 16 2
Time constant register B_1 TCORB_1 8 H'FFCF TMR_1 16 2
Timer counter_0 TCNT_0 8 H'FFD0 TMR_0 16 2
Timer counter_1 TCNT_1 8 H'FFD1 TMR_1 16 2
PWM output enable register A PWOERA 8 H'FFD3 PWM 8 2
PWM data polarity register A PWDPRA 8 H'FFD5 PWM 8 2
PWM register select PWSL 8 H'FFD6 PWM 8 2
PWM data registers 0 to 7 PWDR0 to
PWDR7
8 H'FFD7 PWM 8 2
I
2
C bus control register_0 ICCR_0 8 H'FFD8 IIC_0 8 2
I
2
C bus status register_0 ICSR_0 8 H'FFD9 IIC_0 8 2
I
2
C bus data register_0 ICDR_0 8 H'FFDE IIC_0 8 2
Second slave address register_0 SARX_0 8 H'FFDE IIC_0 8 2